Flood studies : An international guide for collection and processing of data. Paris: UNESCO, 1971 49 p. : ill.
Flood studies : An international guide for collection and processing of data. Paris: UNESCO, 1971 49 p. : ill.
(1971) Flood studies : An international guide for collection and processing of data, Paris: UNESCO 49 p. : ill.
(1971). Flood studies : An international guide for collection and processing of data. A contribution to the international hydrological decade. Paris: UNESCO, 49 p. : ill.
Flood studies : An international guide for collection and processing of data: A contribution to the international hydrological decade. Paris: UNESCO; 1971. p. 49 p. : ill.
